Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933479Ab2JKXSK (ORCPT ); Thu, 11 Oct 2012 19:18:10 -0400 Received: from mga09.intel.com ([134.134.136.24]:39286 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758462Ab2JKXSI (ORCPT ); Thu, 11 Oct 2012 19:18:08 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.80,573,1344236400"; d="scan'208";a="204564167" Message-ID: <507753AB.2050204@zytor.com> Date: Fri, 12 Oct 2012 07:18:03 +0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120605 Thunderbird/13.0 MIME-Version: 1.0 To: Yinghai Lu CC: Konrad Rzeszutek Wilk , Thomas Gleixner , Ingo Molnar , Jacob Shin , Tejun Heo , Stefano Stabellini , linux-kernel@vger.kernel.org Subject: Re: [PATCH 03/10] x86, mm: get early page table from BRK References: <1349757558-10856-1-git-send-email-yinghai@kernel.org> <1349757558-10856-4-git-send-email-yinghai@kernel.org> <20121009160133.GF7639@phenom.dumpdata.com> <20121010141707.GH4005@phenom.dumpdata.com> <20121011144130.GB2408@localhost.localdomain> In-Reply-To: X-Enigmail-Version: 1.4.3 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 843 Lines: 29 On 10/12/2012 06:55 AM, Yinghai Lu wrote: > On Thu, Oct 11, 2012 at 7:41 AM, Konrad Rzeszutek Wilk > wrote: >> On Wed, Oct 10, 2012 at 08:49:05AM -0700, Yinghai Lu wrote: >>> >>> yes that is some extreme case: >>> assume that 2M range is [2T-2M, 2T), >> >> What is T in here? Terabyte? Is the '[' vs ')' a significance in your >> explanation? Should it be '[2T-2M, 2T]' ? > > yes, T is terabyte > > [2T-2M, 2T) is equal to [2T-2M, 2T-1] > > ) mean the boundary is not included. > Right... and just to defend Yinghai here, this is a standard mathematical notation. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/